A protector-equipped wire harness includes: an electrical wire; a protector that includes a pair of side walls that protrude from a bottom, a slide supporting portion that is formed so as to extend in a first direction X, and a receiver that is provided on a bottom side of the slide supporting portion, and in which the electrical wire can be disposed in a groove that is defined by the bottom and the pair of side walls; and an attachment member that includes a band that can be wound around the electrical wire, and a band lock portion that includes a slidable portion that is supported by the slide supporting portion so as to be slidable in the first direction, the band lock portion keeping the band in a state of being wound around the electrical wire.